Remember to Look for the MERV Rating for your Air Filter

MERV in the HVAC world stands for Minimum Efficiency Reporting Value, a value that indicates the size of particles an air filter is designed to capture. Higher MERV ratings are more effective at capturing smaller particles. That’s why hospitals tend to use MERV 16 or higher, to capture the most pollutants possible.

Although lower MERV rated filters are less efficient overall, they permit more air to go through the filter, which can assist the operation of the HVAC system. It’s important to have the appropriate mix of air filter and MERV rating for your needs and your system. Call Service Experts Heating & Air Conditioning in Memphis today to let us help determine which MERV rating is needed for your home and family.

The American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE), which designed the MERV rating, recommends filters with minimum MERV ratings of 6. The U.S. Department of Energy proposes a minimum of MERV 13. For the best overall solution for most homeowners, acquire an Air Purification System, which comes with a MERV 16 media filter, and you’ll be in good shape for years.

Here is a snapshot of the MERV Ratings:

MERV 1 to 4— <20% of large particles (3 to 10 microns) are captured

5 to 7—Between 20% and 69% of large particles are captured

8 to 10—Approximately 85% of large particles and 50% of small particles (1.0 to 3.0 microns) are captured

11 to 16—More than 90% of large particles and between 70% and 90% of small particles are captured

17 to 20—Even the smallest particles (< 0.3 microns) are captured

The right MERV rating on the right filter could really impact your indoor air quality, your health and your lifestyle. So picking the right air filter matters. Call Service Experts today at 901-235-1196. We offer a full range of air filtration choices, knowledge and expert service—and we’re here 24 hours a day for Memphis.

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